Designate one end of the pool as the "safe zone" and have the minnows wait on the opposite end in the "minnow pond".
The shark waits in the center of the pool, but is not allowed to enter the minnow pond.
The ciliated stage is only capable of free life for five or six hours, and if at the end of that time it has not encountered and attached itself to a minnow, it dies.
4, F and G) from the rudd and minnow, the anterior flagellum is well-developed, and the free parts of both are of about equal length.
For descriptions of other Cyprinids than the carp, see Goldfish, Barbel, Gudgeon, Rudd, Roach, Chub, Dace, Minnow, Tench, Bream, Bleak, Bitterling, Mahseer.
In America the name bream is commonly given to the golden shiner minnow (Abramis chrysoleucus), to the pumpkin-seed sunfish (Eupomotis gibbosus), and to some kinds of porgy (Sparidae).
Except the Minnow group, north of Nossi-be, the rest are merely rocky islets, chiefly of coral.